<template>
    <div class="app-container">
        <h2 style="text-align: center;">发布新课程</h2>

        <el-steps :active="3" process-status="wait" align-center style="margin-bottom: 40px;">
            <el-step title="填写课程基本信息"/>
            <el-step title="创建课程大纲"/>                
            <el-step title="提交审核"/>
        </el-steps>
        <div class="ccInfo">
            <img :src="coursePublish.cover">
            <div class="main">
                <h2>{{ coursePublish.title }}</h2>
                <p class="gray"><span>共{{ coursePublish.lessonNum }}课时</span></p>
                <p><span>所属分类：{{ coursePublish.subjectLevelOne }} — {{
                coursePublish.subjectLevelTwo }}</span></p>
                <p>课程讲师：{{ coursePublish.teacherName }}</p>
                <h3 class="red">￥{{ coursePublish.price }}</h3>
            </div>
        </div>
        <div>
            <el-button @click="previous">返回修改</el-button>
            <el-button :disabled="saveBtnDisabled" type="primary"
            @click="publish">发布课程</el-button>
        </div>
    </div>
</template>
<script>
import course from '@/api/edu/course'
export default{
    data() {
        return {
            saveBtnDisabled: false,
            courseId:'',
            coursePublish:{}
        }
    },
    created() {
        //获取路由的id值
        if(this.$route.params && this.$route.params.id) {
            this.courseId = this.$route.params.id
        }
        //调用接口方法根据课程id查询
        this.getCoursePublishId()
        console.log(coursePublish)
    },
    methods:{
        //根据课程id查询课程信息
        getCoursePublishId() {
            course.getPublishCourseInfo(this.courseId)
            .then(response => {
                this.coursePublish = response.data.coursePublishVo
            })
        },
        previous() {
            console.log('previous')
            this.$router.push({ path: '/course/chapter/' + this.courseId })
        },
        publish() {
            course.publishCourse(this.courseId)
                .then(response => {
                    //提示信息
                    this.$message({
                        type:'success',
                        message:'发布课程信息成功'
                    })
                    //跳转列表页面
                    this.$router.push({ path: '/course/list' })
                })
            
        }
    }
}
</script>
<style scoped>
    .ccInfo {
        background: #f5f5f5;
        padding: 20px;
        overflow: hidden;
        border: 1px dashed #DDD;
        margin-bottom: 40px;
        position: relative;
    }
    .ccInfo img {
        background: #d6d6d6;
        width: 500px;
        height: 278px;
        display: block;
        float: left;
        border: none;
    }
    .ccInfo .main {
        margin-left: 520px;
    }
    .ccInfo .main h2 {
        font-size: 28px;
        margin-bottom: 30px;
        line-height: 1;
        font-weight: normal;
    }
    .ccInfo .main p {
        margin-bottom: 10px;
        word-wrap: break-word;
        line-height: 24px;
        max-height: 48px;
        overflow: hidden;
    }
    .ccInfo .main p {
        margin-bottom: 10px;
        word-wrap: break-word;
        line-height: 24px;
        max-height: 48px;
        overflow: hidden;
    }
    .ccInfo .main h3 {
        left: 540px;
        bottom: 20px;
        line-height: 1;
        font-size: 28px;
        color: #d32f24;
        font-weight: normal;
        position: absolute;
    }
</style>